Home / 15,635.63-21,577.59-8,562.51

Finding the Fourth Proportional to 15,635.63, 21,577.59 and 8,562.51

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Solution

The fourth proportional to 15,635.63, 21,577.59 and 8,562.51 is: 11,816.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,635.63 : 21,577.59 = 8,562.51 : x
  2. Step 2: Convert to fraction form
    15,635.63/21,577.59 = 8,562.51/x
  3. Step 3: Cross multiply
    15,635.63x = 21,577.59 × 8,562.51
  4. Step 4: Simplify right side
    15,635.63x = 184,758,330.15
  5. Step 5: Solve for x
    x = 184,758,330.15/15,635.63
  6. Step 6: Final answer
    x = 11,816.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.